Researchers discover a new way to identify 3D printed guns

Researchers at the University at Buffalohave found that 3D printers have fingerprints, essentially slight differences in design that can be used to identify prints. This means investigators can examine the layers of a 3D printed object and pinpoint exactly which machine produced the parts.
“3D printing has many wonderful uses, but it’s also a counterfeiter’s dream. Even more concerning, it has the potential to make firearms more readily available to people who are not allowed t